Some pests and diseases often
affect the vines are grown in the greenhouse than in the area.
Nevertheless, pests and diseases that are typical of vines in the open
air, and can hit and hothouse vines.

In winter for protection from
insects with a knife scrape off the old bark on the stems and knots and
burn it. In December, handle stems old solution of tar. When the spider
mite and whitefly spray keltan and karbophos respectively.